Adapter assembly



FIG. 1 is a front view of an adapter assembly showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof shown in use condition.

FIG. 6 is a bottom plan view thereof shown in use condition; and,

FIG. 7 is a top perspective view thereof shown in use condition.

Portions shown in broken line are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an adapter assembly, as shown and described. 